Detect the user browser using JavaScript

Detect the user browser (Safari, Chrome, IE, Firefox and Opera) using JavaScript ?

  Shubham Verma      August 24, 2020


Detect the user browser using JavaScript


How to detect the user browser using JavaScript?

D

etecting user browser sometimes very useful if we want to write our logic based on the browser. Sometimes we need to do some specific things based on the browser or sometimes some functionality may not support in different browser so we need to detect the user browser and write our logic.
In this article, we'll see how we can detect the user browser using javascript.

To get the user browser, we have navigator object which contains the userAgent. And in this navigator.userAgent it contains the browser specific information.
So, let's see how we can detect the browser using navigator.userAgent.

Complete Code:

Let's create a file with name detect-browser.html and write the below codes:



In the above code we have a button Detect browser and after clicking on this button, it'll call a function checkBrowser() And in this function we wrote the logic to detect the browser.


Test on Chrome:


Open the above file in the chrome browser and see the output as:

Detect the user browser using JavaScript

Detect the user browser using JavaScript


Now click on the Detect browser button and see the result. After clicking the button Detect browser you can see a popup with the browser name as:

Detect the user browser using JavaScript

Detect the user browser using JavaScript


Test on Firefox:


Now, open this html file into firefox browser and click on the button Detect browser and see the result as:


Detect the user browser using JavaScript

Detect the user browser using JavaScript


Test on Safari:


Now, open this html file into safari browser and click on the button Detect browser and see the result as:


Detect the user browser using JavaScript

Detect the user browser using JavaScript


Conclusion:

In this article, we learned how we can detect the user browser in javascript, and based on the browser we can write our logic for browser specific.



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